Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
permanent
In linear algebra, the Permanent of a matrix is a function of a matrix relate to the determinant. The permanent as well as the determinant are polynomials of the entries of the matrix.
Trivia about permanent
Getting one of these hair curling treatments took up to 12 hours in 1905
Giving herself a wavy look with a home one of these--if it doesn't work, she may not come out for days
Not temporary
Hairdressing process that's an antonym of ephemeral